Der kaiserliche Rat und Reichstagsabgeordnete Isaak Rubinstein 

Franz von Lenbach's portrait of Isaak Rubinstein, a prominent German politician and businessman, showcases the artist's skill in capturing the sitter's character. Lenbach, a renowned portraitist of his time, used a realistic style and meticulous detail to render Rubinstein's features. The dark background and subtle lighting create a sense of depth and formality, emphasizing Rubinstein's status and authority. This painting exemplifies Lenbach's mastery of portraiture, offering a glimpse into the life and personality of a significant figure of the late 19th century.